DC

David W. Chalmers

📍 Rancho Palos Verdes, CA: #17 of 108 inventorsTop 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #123,719 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838592 Impact-absorbing amusement vehicle David W. Sobodos 1989-06-13